Learn the Issues

Shell Deer Park Spreadsheet

This is the spreadsheet to the shell deer park consent decree appendix 2.4

Power Resilience Recorded Webinars

Power Resilience Recorded Webinars and Resources

Find a Water Laboratory Method

Get information on water and wastewater analytical methods

CPRG Tools and Technical Resources – Waste and Materials Management Sector

Adapting Buildings for Indoor Air Quality in a Changing Climate

Climate change presents many challenges, including the production of severe weather events. These events and efforts to minimize their effects through weatherization can adversely affect indoor environments.

Ground-level Ozone Basics

Learn the difference between good (stratospheric) and bad (tropospheric) ozone, how bad ozone affects our air quality, health, and environment, and what EPA is doing about it through regulations and standards.

Project Planning and Financing

Designed to help evaluate if your technically feasible anaerobic digester system will work financially.

Regulatory Actions for Allowance Allocation and Reporting

Proposed Rulemaking: Phasedown of Hydrofluorocarbons: Allowance Allocation Methodology for 2024 and Later Years.

Toll Brothers - Inc. Clean Water Act Settlement

Overview of the settlement for Toll Brothers Inc

Directory of Tribal Indoor Air Quality Champions

Find IAQ champions working in tribal communities. Contact them today to hear about their innovative approaches or discuss collaborations.

PSEG Fossil L.L.C. Settlement

The settlement required PSEG Fossil to install and operate state-of-the-art controls for SO2, NOx, and PM emissions on every coal-fired unit it operates.

Environmental Enforcement and Compliance Significant Cases

This is some of OECA's significant cases to display as examples in the virtual career day.

Clean, Green and Healthy Tribal Schools Video Series

Successful media outreach can earn you a larger audience for your messages, draw more participants to your activities and events, and can result in access to and leveraging of new resources.

Water Quality Surveillance and Response

A Water Quality Surveillance and Response System (SRS) is a framework designed to enhance a drinking water utility’s capability to quickly detect and respond to water quality issues.

Documents on Restoring the Waukegan Harbor AOC

Documents related to the Waukegan Area AOC.

Remediation and Restoration Projects for Waukegan Harbor AOC

Table describing remediation work on the Waukegan Harbor AOC.

Lower Menominee River AOC Boundary Map

Maps and shapefile showing the state approved boundary of the Menominee River AOC

Niagara River AOC

Describes history of the AOC, beneficial use impairments and sources of pollution for the Niagara River AOC.

Indoor Air Quality in Multifamily Housing

This page provides information on various indoor pollution sources that release gases or particles into the air are the primary cause of indoor air quality problems in multifamily homes.

Underground Injection Control Well Classes

This webpage provides the basic definition of each UIC well class as well as the concept of endangerment. Links for individual well class are also provided.